840898928 has 10 divisors (see below), whose sum is σ = 1629241704. Its totient is φ = 420449456.

The previous prime is 840898871. The next prime is 840898939. The reversal of 840898928 is 829898048.

It is a super-2 number, since 2×840898928² = 1414222014223098368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26278076 + ... + 26278107.

Almost surely, 2^840898928 is an apocalyptic number.

It is an amenable number.

840898928 is a deficient number, since it is larger than the sum of its proper divisors (788342776).

840898928 is a wasteful number, since it uses less digits than its factorization.

840898928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52556191 (or 52556185 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 56.

The square root of 840898928 is about 28998.2573269498. The cubic root of 840898928 is about 943.8752528349.

The spelling of 840898928 in words is "eight hundred forty million, eight hundred ninety-eight thousand, nine hundred twenty-eight".